+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   3033 Holbaek (1984 EJ) Classification: Main-belt Asteroid          SPK-ID: 2003033 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 42 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09468353556774473 3.2829e-08   a 2.235956457537489 6.8177e-09 au q 2.024248194762309 7.3606e-08 au i 4.739203853252735 3.5582e-06 deg node 166.8348960898913 4.1458e-05 deg peri 67.361615316786 4.6419e-05 deg M 242.8650738490201 2.339e-05 deg tp 2459397.853778467243 (2021-Jul-02.35377847) 8.0331e-05 TDB period 1221.218683006877 3.34 5.5854e-06 1.529e-08 d yr n .2947874979390343 1.3483e-09 deg/d Q 2.447664720312668 7.4632e-09 au   Orbit Determination Parameters    # obs. used (total)      2683      data-arc span      22259 days (60.94 yr)      first obs. used      1959-12-04      last obs. used      2020-11-12      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .45311      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 02:09:44   Additional Information  Earth MOID = 1.01896 au   Jupiter MOID = 2.54119 au   T_jup = 3.628  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 12.7   n/a MPO431531   diameter diameter 8.361 km 0.076 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   rotation period rot_per 233.3 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Brinsfield, J.W. (2012) Minor Planet Bull. 39, 55-57.] geometric albedo albedo 0.167   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   3033 Holbaek (1984 EJ)          Discovered 1984-Mar-05 by Augustesen, K. at Brorfelde and P. Jensen and H. J. Fogh Olsen. Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  1984 EJ = 1934 FK = 1964 GB = 1974 ED = 1978 NH3 = 1978 PS = 1979 XL1  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-17 23:16 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin